AMD Radeon HD 8870 OEM vs AMD Radeon Vega 7
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
Apr 2021
Generation
Sea Islands
Cezanne
Type
Desktop
Integrated
Bus Interface
PCIe 3.0 x16
IGP
Clock Speeds
Memory Clock
1200 MHz
System Shared
Base Clock
—
300 MHz
Boost Clock
—
1900 MHz
Memory
Memory Size
2GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
256bit
System Shared
Bandwidth
153.6GB/s
System Dependent
Render Config
Compute Units
20
7
Shading Units
1280
448
TMUs
80
28
ROPs
32
8
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
—
Theoretical Performance
Pixel Rate
32.00 GPixel/s
15.20 GPixel/s
Texture Rate
80.00 GTexel/s
53.20 GTexel/s
FP32 (float)
2.560 TFLOPS
1.702 TFLOPS
FP64 (double)
160.0 GFLOPS
106.4 GFLOPS
FP16 (half)
—
3.405 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Cezanne
GPU Variant
Pitcairn XT(215-0828047)
—
Architecture
GCN 1.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
2.8 billion
9.8 billion
Die Size
212 mm²
156 mm²
Board Design
TDP
175W
45W
Suggested PSU
450 W
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2
Shader Model
5.1
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.